
D) Diagnóstico #3 Química
Authored by Isabel Dgz
Chemistry
10th Grade
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se denomina así a los elementos que poseen el mismo número de protones y electrones pero con diferente número de neutrones:
Iones
Isótopos
Cationes
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El número atómico es igual al número de:
Electrones
Protones
Neutrones
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La masa atómica representa a:
La suma de los electrones y protones.
La suma de los neutrones y protones.
La suma de los electrones y neutones.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En un átomo neutro el número de protones es igual al número de:
Electrones
Iones
Neutrones
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si tengo 18 protones y 12 neutrones. ¿Cuál es la masa atómica y el número atómico?
Z = 20
A = 18
Z = 18
A = 20
Z = 18
A = 18
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Quién fue el primer científico en hablar del átomo, después de los filósofos?
Thomson
Rutherford
Demócrito
Jhon Dalton
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quién fue el que propuso el modelo del pudín de pasas (el átomo era una esfera positiva con cargas negativas incrustadas):
Thomson
Rutherford
Demócrito
Jhon Dalton
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